oracle 查表空间大小及使用率（百分比）的SQL

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已于 2025-05-05 09:54:30 修改

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文章标签： oracle sql ffmpeg

于 2023-12-25 10:15:27 首次发布

本文链接：https://blog.youkuaiyun.com/JUNHAO19910201/article/details/135193051

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select  a.tablespace_name,
       round(a.bytes_alloc / 1024 / 1024 /1024) megs_alloc,
       round(nvl(b.bytes_free, 0) / 1024 / 1024 /1024) megs_free,
       round((a.bytes_alloc - nvl(b.bytes_free, 0)) / 1024 / 1024 /1024) megs_used,
       round((nvl(b.bytes_free, 0) / a.bytes_alloc) * 100) || '%' Pct_Free,
       100 - round((nvl(b.bytes_free, 0) / a.bytes_alloc) * 100) || '%' Pct_used,
       round(maxbytes/1048576 /1024) Max,
       round(((a.bytes_alloc - nvl(b.bytes_free, 0)) / maxbytes) * 100) || '%' Pct_Used_Max,
       c.status, c.contents
from  ( select  f.tablespace_name,
               sum(f.bytes) bytes_alloc,
               sum(decode(f.autoextensible, 'YES',f.maxbytes,'NO', f.bytes)) maxbytes
        from dba_data_files f
        group by tablespace_name) a,
      ( select  f.tablespace_name,
               sum(f.bytes)  bytes_free
        from dba_free_space f
        group by tablespace_name) b,
      dba_tablespaces c
where a.tablespace_name = b.tablespace_name (+)
and a.tablespace_name = c.tablespace_name
union all
select h.tablespace_name,
       round(sum(h.bytes_free + h.bytes_used) / 1048576) megs_alloc,
       round(sum((h.bytes_free + h.bytes_used) - nvl(p.bytes_used, 0)) / 1048576) megs_free,
       round(sum(nvl(p.bytes_used, 0))/ 1048576) megs_used,
       round((sum((h.bytes_free + h.bytes_used) - nvl(p.bytes_used, 0)) / sum(h.bytes_used + h.bytes_free)) * 100) || '%' Pct_Free,
       100 - round((sum((h.bytes_free + h.bytes_used) - nvl(p.bytes_used, 0)) / sum(h.bytes_used + h.bytes_free)) * 100) || '%' pct_used,
       round(sum(decode(f.autoextensible, 'YES', f.maxbytes, 'NO', f.bytes) / 1048576)) max,
       round((sum(nvl(p.bytes_used, 0)) / sum(h.bytes_used + h.bytes_free)) * 100) || '%' Pct_Used_Max,
       c.status, c.contents
from   sys.v_$TEMP_SPACE_HEADER h,
       sys.v_$Temp_extent_pool p,
       dba_temp_files f,
      dba_tablespaces c
where  p.file_id(+) = h.file_id
and    p.tablespace_name(+) = h.tablespace_name
and    f.file_id = h.file_id
and    f.tablespace_name = h.tablespace_name
and f.tablespace_name = c.tablespace_name
group by h.tablespace_name, c.status, c.contents
ORDER BY 1;